CN107440723A - Method and device for measuring chest and abdomen respiration change by conductive silica gel - Google Patents

Abstract

The invention relates to a method and a device for measuring the respiration change of chest and abdomen by using a conductive silicon colloid. The method comprises the following steps: the elastic band with the conductive silicon colloidal body is bound on the chest and/or the abdomen of the measured human body; measuring the variation of the resistance value of the conductive silica gel body along with the respiratory movement of the chest and/or the abdomen; and calculating the respiratory motion parameters of the chest and/or the abdomen according to the variable quantity of the resistance value of the conductive silica gel. The device for measuring the respiration change of the chest and abdomen by using the conductive silicon colloid comprises an elastic band, wherein the elastic band is provided with the conductive silicon colloid. The elastic band with the conductive silica gel body can effectively fit the curve range of a body, so that the elastic band can be more fitted and softer when being worn, the comfort of a user is effectively improved, the elastic band is not afraid of sweat to corrode and oxidize the elastic band, and the accuracy of measured data is effectively improved.

Description

Method and device for measuring thoracic and abdominal respiration changes by using conductive silicon colloid

technical field

The invention relates to the technical field of human body data measurement, in particular to a method and a device for measuring chest and abdomen respiration changes by using conductive silicon colloid.

Background technique

The measurement of thoracoabdominal respiration changes is used to describe the changes of physiological parameters during the chest and abdomen respiration expansion of the human body, and it is an important monitoring method for diseases such as sleep-disordered breathing. Reliable measuring instruments and methods need to be used for measurement.

At present, most of the chest and abdominal respiration changes are measured by using a chest belt or an abdominal belt made of a conductive film containing metal conductor filaments or metal conductive fibers. The change in chest or abdominal circumference is calibrated by measuring the change in the resistance value of the conductive film caused by breathing movement. . For example, the invention patent CN1933777A applied by Sumitomo Pharmaceutical Co., Ltd. of Japan discloses a kind of clothing, device and system for measuring biological information, which has a chest respiration information sensor 502 and an abdominal respiration information sensor 504 formed by conductive fibers. Sexual fiber is the fiber (such as Shandolon) that metal particle (such as silver particle, copper particle or copper sulfide particle) is attached, causes chest girth length or the change of abdominal girth length along with respiration, causes chest respiration information sensor 502 and abdominal respiration. The rise and fall of the resistance value of the information sensor 504. However, because of containing metal filaments or fibers with metal particles, the above-mentioned chest belt or abdominal belt has relatively high hardness, limited elasticity, and is not close enough to the body, which makes it uncomfortable to wear and makes the measured data inaccurate.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a method and a device for realizing the measurement of chest and abdomen respiration changes by using conductive silicon colloid. Chest straps and abdominal straps made of conductive silicone have the advantages of elasticity, softness and close fit, and accurate measured data, which solves the problem of low elasticity and high hardness brought about by metal wire or metal fiber conductive film used in the current measurement of chest and abdomen respiration changes. , not close enough, poor comfort, and inaccurate measurement data.

(2) Technical solution

In order to achieve the above-mentioned conductive silicone colloid to realize the purpose of measuring changes in thoracoabdominal respiration, the present invention provides the following technical solutions:

A method for measuring thoracoabdominal respiration changes using conductive silicon colloid, characterized in that it comprises the following steps:

Bind an elastic band with conductive silicone on the chest and/or abdomen of the human being to be measured;

Measuring the amount of change in electrical resistance of the conductive silicone with chest and/or abdominal breathing movements;

According to the change amount of the resistance value of the conductive silicon colloid, the chest and/or abdomen breathing motion parameters are calculated.

Preferably, the chest and/or abdominal breathing motion parameters include: changes in chest circumference and/or abdominal circumference.

A device for measuring thoracoabdominal respiration changes by using conductive silicon colloid is characterized in that it includes an elastic band, and the elastic band is provided with conductive silicon colloid.

Preferably, the device further includes a measuring device, and the measuring device measures the variation of the resistance value of the conductive silicone colloid along with chest and/or abdominal respiratory movement, and according to the variation of the resistance value of the conductive silicone colloid, Calculate chest and/or abdominal breathing motion parameters.

Preferably, both ends of the conductive silica gel are respectively connected to signal lines, and a signal plug is installed at the end of the signal line away from the conductive silica gel, and the measuring device is connected through the signal plug.

Preferably, the conductive silica gel includes a conductive silica gel layer and a protective layer, and the conductive silica gel layer is made by adding carbon black to silica gel.

Preferably, the composition of the conductive silica gel layer includes Si, SiO2 and carbon black, wherein the content of Si element is 80wt%.

Preferably, the thickness of the conductive silica gel layer is 0.2-0.5 mm.

Preferably, the resistance value of the conductive silicone layer is in the range of 10 ² -10 ⁵ ohms.

Preferably, the two ends of the elastic belt are respectively equipped with adhesive sheets, and the elastic belt is bound to the chest and/or abdomen of the measured human body through the adhesive sheets.

(3) Beneficial effects

Compared with the prior art, the present invention provides a method and device for measuring thoracic and abdominal respiration changes using conductive silica gel, which has the following beneficial effects:

The method and device for realizing the measurement of chest and abdomen respiration changes by using conductive silicone colloid expand and contract following the chest and abdomen breathing movement of the human body through the elasticity of the conductive silicone colloid. The resistance value of the body becomes larger, and through calibration, the change in the resistance value of the conductive silica gel corresponds to the change in the chest circumference and/or abdominal circumference of the human body in the breathing movement, and the physiological parameters of the chest and abdomen breathing changes can be effectively measured. The method and device for measuring chest and abdomen respiration changes using conductive silicone colloid can effectively fit the curve of the body through the elastic belt with conductive silicone colloid, making it more fit and soft when worn on the body, effectively improving the use At the same time, compared with the chest belt or abdominal belt made of metal wire or metal fiber conductive film, the conductive silicone colloid is not afraid of corrosion and oxidation by sweat, which effectively improves the accuracy of the measurement data.

Description of drawings

Fig. 1 is the device structure diagram that utilizes conductive silica colloid to realize the measurement of chest and abdomen respiration that the present invention proposes;

Fig. 2 is a cross-sectional view of the structure of the device proposed by the present invention for realizing the measurement of thoracic and abdominal respiration changes by using conductive silicon colloid.

In the figure: 1 elastic belt, 2 adhesive sheet, 3 conductive silicone colloid, 4 signal wire, 5 signal plug.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-2, the present invention provides a kind of device that utilizes conductive silicone colloid to realize the change measurement of chest and abdomen respiration, comprises elastic band 1, and the two ends of elastic band 1 are all fixedly installed with adhesive sheet 2, two adhesive sheets 2 One of them is fixedly installed on the front of one end of the elastic band 1, and the other adhesive sheet is fixedly installed on the reverse side of the other end of the elastic band 1, and the elastic band 1 can be bound on the chest and the chest of the measured human body through the adhesive sheet 2. / or abdomen. The conductive silicone colloid 3 is installed inside the elastic band 1 , and the conductive silicone colloid 3 is also elastic, and can be stretched and retracted synchronously with the stretching and retracting of the elastic band 1 . Both ends of the conductive silica gel 3 are fixedly connected with signal wires 4, both signal wires 4 run through and extend out from both ends of the elastic band 1, and the ends of the two signal wires 4 away from the conductive silica gel 3 are fixedly installed with signal plugs 5. The elastic band 1 and the conductive silicone colloid 3 expand and contract with the movement of the chest and/or abdomen during the breathing process of the human body based on their elasticity; the resistance value of the conductive silicone colloid 3 becomes smaller when the conductive silicone colloid 3 contracts, and the resistance value of the conductive silicone colloid 3 expands. get bigger. The device for realizing the measurement of chest and abdomen respiration changes by using conductive silica gel also includes a measuring device, the signal plug 5 is connected to the measuring device, and the measuring device measures the variation of the resistance value of the conductive silica gel 3; and based on the calibration, the The variation of the resistance value corresponds to the variation of the bust or abdominal circumference of the human body, so that the measuring device calculates the variation of the bust and/or abdominal circumference according to the measured variation of the resistance value of the conductive silicone colloid, thereby obtaining the chest and abdominal circumference. and/or parameters of the abdominal respiration movement.

The conductive silica gel 3 used in the present invention includes a conductive silica gel layer and a protective layer. The conductive silica gel layer is located on the surface of the conductive silica gel 3 and has a thickness of 0.2-0.5 mm. Since the conductive silica gel layer is relatively thin, a protective layer is used for support and protection. The conductive silica gel layer is made by adding carbon black into the silica gel, and its composition includes Si, SiO2 and carbon black, wherein the content of Si element is 80wt%. The resistance value of the conductive silica gel layer is in the range of 10 ² -10 ⁵ ohms, and the resistance value changes within a certain range as the conductive silica gel layer is stretched and retracted.

Table 1 shows the composition, size and performance parameters of three kinds of conductive silica gel layers that can be used in the present invention.

Type 1: The thickness of the conductive silicone layer is 0.45mm, the specific gravity is 1.55g/mm3, the hardness is 69A, the elongation at break is 125%, the tensile strength is 10.2mpa, the elastic index is 101KN/mm, and the surface resistance is 3*10 ⁶ Ω.cm, the thermal conductivity is 0.4m/mk, the heat resistance value is 350°C, the thermal conductivity temperature range is ±3°C, the thermogravimetric analysis is 2%, the compression set is 22max%, and the pressing times are 16 times.

Type 2: When the thickness of the conductive silicone layer is 0.3mm, the specific gravity is 1.55g/mm3, the hardness is 69A, the elongation at break is 120%, the tensile strength is 10.2mpa, the elastic index is 101KN/mm, and the surface resistance is 3*10 ⁶ Ω.cm, the thermal conductivity is 0.4m/mk, the heat resistance value is 350°C, the thermal conductivity temperature range is ±3°C, the thermogravimetric analysis is 2%, the compression set is 21max%, and the number of pressings is 15 times.

Type 3: When the thickness of the conductive silicone layer is 0.2mm, the specific gravity is 1.55g/mm3, the hardness is 68A, the elongation at break is 120%, the tensile strength is 10mpa, the elastic index is 100KN/mm, and the surface resistance is 3*10 ⁶ Ω.cm, the thermal conductivity is 0.4m/mk, the heat resistance value is 350°C, the thermal conductivity temperature difference range is ±3°C, the thermogravimetric analysis is 2%, the compression set is 20max%, and the pressing times are 15 times.

Thickness (mm) 0.2 0.3 0.45 Specific gravity (g/mm3) 1.55 1.55 1.55 Hardness (A) 68 69 69 Elongation at break (%) 120 120 125 Tensile strength (mpa) 10 10.2 10.2 Elastic index (KN/mm) 100 101 101 Surface resistance (Ω.cm) 3*10 ⁶ 3*10 ⁶ 3*10 ⁶ Thermal conductivity (m/mk) 0.4 0.4 0.4 Heat resistance value (℃) 350 350 350 Thermal conduction temperature difference range (°C) ±3 ±3 ±3 Thermogravimetric analysis (%) 2 2 2 Compression set (max%) 20 twenty one twenty two Press times (times) 15 15 16

Table 1

The present invention further proposes a method for measuring chest and abdomen respiration changes using conductive silica gel, comprising the following steps:

1) Bind the elastic band 1 with the conductive silicon gel 3 on the chest and/or abdomen of the person to be measured, and stick the two ends of the elastic band 1 together through the adhesive sheet 2 on the elastic band 1, so that the elastic band 1 is stretched. Tightly, plug the signal plug 5 on the signal line 4 into the measuring device.

2) When the measured person breathes, the measured person's chest and abdomen will expand and contract; when expanding, the measured person's chest and/or abdomen will stretch the elastic band 1 and the conductive silicone colloid 3, and the conductive silicone colloid will The resistance value of 3 will become larger; when contracting, the chest and/or abdomen of the person being measured will contract, the elastic band 1 and the conductive silicone colloid 3 will shrink under the action of their own restoring force, and the resistance value of the conductive silicone colloid 3 will become smaller . The variation of the resistance value of the conductive silicon colloid is measured with the breathing movement of the chest and/or abdomen by using a measuring device.

3) Through calibration, the variation of the resistance value of the conductive silicone colloid 3 corresponds to the variation of the bust or abdomen of the human body. In this way, the variation of the resistance value measured by the measuring device is used to calculate the variation of the chest circumference and/or abdomen circumference of the human body, so as to obtain the parameters of the chest and/or abdomen breathing movement.

4) After the measurement, unplug the signal plug on the measuring device, open the adhesive sheet 2, and remove the elastic band 1.

The present invention can effectively fit the curve width of the body through the elastic band with conductive silica gel, making it more fit and soft when worn on the body, effectively improving the comfort of the user, and at the same time, the conductive silica gel and metal wire or metal Compared with the chest belt or abdominal belt made of fiber conductive film, it is not afraid of corrosion and oxidation by sweat, which effectively improves the accuracy of measurement data.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A method utilizing conductive silicon colloid to realize the measurement of chest and abdomen respiration changes, is characterized in that, comprises the following steps: Bind an elastic band with conductive silicone on the chest and/or abdomen of the human being to be measured; Measuring the amount of change in electrical resistance of the conductive silicone with chest and/or abdominal breathing movements; According to the change amount of the resistance value of the conductive silicon colloid, the chest and/or abdomen breathing motion parameters are calculated. 2. The method for measuring thoracoabdominal respiration changes by using conductive silicon colloid according to claim 1, characterized in that, the chest and/or abdominal respiration motion parameters include: the variation of chest girth and/or abdominal girth. 3. A device for measuring thoracoabdominal respiration changes using conductive silica gel, characterized in that it includes an elastic band, and the elastic band has conductive silica gel. 4. The device utilizing conductive silicon colloid to realize the measurement of thoracoabdominal respiration changes according to claim 3, characterized in that, the device also includes a measuring device, and the measuring device measures the respiration movement along with the chest and/or abdomen. The change amount of the resistance value of the conductive silicon colloid, and calculate the chest and/or abdomen breathing motion parameters according to the change amount of the resistance value of the conductive silicon colloid. 5. The device utilizing conductive silica colloid to realize the measurement of chest and abdomen respiration changes according to claim 4, characterized in that, the two ends of the conductive silica colloid are respectively connected to signal lines, and the signal lines are installed away from an end of the conductive silica colloid There is a signal plug via which the measuring device is connected. 6. The device utilizing conductive silica gel to realize the measurement of chest and abdomen respiration changes according to claim 3, wherein the conductive silica gel comprises a conductive silica gel layer and a protective layer, and the conductive silica gel layer is added to the silica gel. Made of carbon black. 7. The device for measuring thoracoabdominal respiration changes by using conductive silica gel according to claim 6, characterized in that, the composition of the conductive silica gel layer comprises Si, SiO2 and carbon black, wherein the content of Si element is 80wt%. 8 . The device for measuring thoracoabdominal respiration changes by utilizing conductive silica gel according to claim 6 , wherein the thickness of the conductive silica gel layer is 0.2-0.5 mm. 9 . The device for measuring thoracic and abdominal respiration changes by using conductive silica gel according to claim 6 , wherein the resistance value of the conductive silica gel layer is in the range of 10 ² -10 ⁵ ohms. 10. The device utilizing conductive silicon colloid to realize the measurement of chest and abdomen respiration changes according to claim 3, characterized in that, adhesive sheets are respectively installed at the two ends of the elastic band, and the elastic band is bound by the adhesive sheet Measures the chest and/or abdomen of a person.